The butt end of the handle unscews to allow removal of the blade keeper . When the knob is fully tightened the keeper slightly bends the blade , bringing the cutting edge into perfect alignment with the edge of the guide . Since I never really used disposable or cartridge razors , I do n't have too many bad habits to unlearn . I do have to learn how to shave again , however .

Q with options: Give answer the following question using evidence from the above passage: What happens after this explanation
Choose your answer from:
[1]. The speaker washes himself;
[2]. None of the above choices .;
[3]. The speaker shaves himself;
[4]. The speaker unscrews his razor;
[3].